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7 Apr 2010 18:20:23 IST
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Suppose the earth suddenly stops attracting objects placd near its surface.A persn standng near its surface of the earth will(neglect effect of rotation of earth) A--Fly up B-Slip along the surface C-Fly along a tangent to the earths surface D-Remain standing
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7 Apr 2010 19:34:46 IST
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If earth suddenly stops,, the person will fly along a tangent to the earths surface.
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7 Apr 2010 20:16:39 IST
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neglecting effect of rotation. He will remain standing i.e floating
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 » ÆoniuM XEonAX «><> |
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7 Apr 2010 20:19:18 IST
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floats
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IIT |
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7 Apr 2010 20:32:26 IST
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he will fly along tangent to the earth's surface
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7 Apr 2010 21:01:45 IST
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remain standing when earth stops attracting objects there is no other massive body which can provide net effective attractive force for the other objectsto cause their motion(acceleration)
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7 Apr 2010 21:06:58 IST
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No acceleration means his velocity remains constant . At that point of time when the earth stops, the person's velocity is tangential to the surface . Therefore he continues moving tangential to the surface .
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Edison(forum expert):-A paradox is an argument that starts with apparently acceptable assumptions and leads by apparently valid deductions to an apparent contradiction. Since logic admits no contradictions, either the apparently acceptable assumptions are not acceptable, or the apparently valid
deductions are not valid, or the apparent contradiction is not a contradiction. A paradox moves us to reexamine the argument until we find out what is wrong.
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7 Apr 2010 21:51:56 IST
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Guys we all have studied the newtons basic first law of motion. What does it say????? In the absence of a net force, the center of mass of a body either is at rest or moves at a constant velocity. so if the acceleration is zero then the body would aquire a velocity equal to the angular velocity of earth. So the person standing would move tangential to the surface of earth.
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7 Apr 2010 22:54:18 IST
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Many of you have read the question wrong... the earth doesn't stop, it just stops attracting things, so as there will be no resultant force on the man and he will continue to stand
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7 Apr 2010 23:19:21 IST
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Hey all...the answer is D...Remain standing...its from the chapter newtons law of motion..hc verma
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5 May 2010 18:01:02 IST
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Since the rotation of earth is negligible as it makes once complete revolution in 24 hours. Thus its angular velocity is very small and therefore the earth is considered as an inertial frame of reference. Thus if it stops suddenly then the person will D-Remain standing
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